CN201907544U - Baby carriage - Google Patents

Abstract

A stroller for children, comprising a stroller frame, a front wheel assembly, a rear wheel assembly, a seat mechanism, a locking mechanism for locking the stroller frame in an unfolded position, the stroller frame includes side brackets on both sides, and a connecting frame , the side brackets on each side include a front bracket, a lower push rod that is slidably arranged with the upper part of the front bracket, a push handle rod that is slidably arranged with the lower push rod, and an upper rear rod that is rotatably connected with the upper part of the lower push rod. The bracket, the lower rear bracket which is slidably arranged with the lower rear bracket, the seat frame which is rotatably connected with the upper part of the front bracket, and the strut which is rotatably connected with the seat frame. After the locking mechanism is unlocked, push the push handle downward, the push handle, the lower push rod, and the front bracket move closer to each other to shorten, the upper and rear brackets slide down and move closer to the lower rear bracket, and the front end of the seat frame is pushed down relative to the front bracket The bar moves upwards, and the rear end of the seat frame moves downwards relative to the lower rear support along with the upper rear support.

Description

baby stroller

technical field

The utility model relates to a children's trolley.

Background technique

The children's stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a wheel assembly arranged at the lower part of the stroller frame, a seat mechanism arranged on the stroller frame, and a A locking mechanism for locking the cart frame in the deployed position. There are many types of existing trolley frames, the number of rods of the cart frame is different, and the connection relationship and connection position between the rods are different, so the folding principles and folding methods are different.

Utility model content

The technical problem to be solved by the utility model is to provide a children's trolley.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a kind of children's trolley, comprising a trolley frame with an unfolded position and a folded position, a front wheel assembly arranged at the front bottom of the trolley frame, The rear wheel assembly, the seat mechanism, and the locking mechanism for locking the cart frame at the unfolded position are arranged at the bottom rear of the cart frame, and the cart frame includes a The side brackets on both sides of the vehicle frame, the connecting frame connected between the side brackets on both sides, and the side brackets on each side include

front bracket;

a lower push rod, the lower push rod is arranged to slide with the upper part of the front bracket along its length direction;

a push rod, the lower part of the push rod is arranged to slide with the lower push rod along its length direction;

an upper rear bracket, the upper end of the upper rear bracket is rotationally connected with the upper part of the lower push rod;

The lower rear bracket, the upper rear bracket is arranged to slide with the lower rear bracket along its length direction;

A seat frame, the front end of the seat frame is rotatably connected to the upper part of the front frame, and the rear end of the seat frame is rotatably connected to the lower part of the upper rear frame;

A strut, the lower end of the strut is rotatably connected to the seat frame, and the upper end of the strut is rotatably connected to the upper part of the lower rear bracket.

In some embodiments, the locking mechanism is disposed between the lower push rod, the push handle rod and the front bracket.

In some embodiments, the front stent has a lumen of the front stent, and the lower part of the lower push rod is slidably inserted into the lumen of the front stent.

In some embodiments, the lower push rod has a lower push rod lumen, and the lower part of the push handle rod is slidably inserted into the lower push rod lumen.

In some embodiments, the connecting frame is a plurality of cross bars connected between the side supports on both sides.

In some embodiments, the front wheel assembly is arranged at the lower part of the front bracket.

In some embodiments, the rear wheel assembly is arranged at the lower part of the lower rear bracket.

The position nouns such as front, rear and lower mentioned above are defined when the cart frame is in the unfolded position, the position of the front wheel assembly is the front, and the position of the rear wheel assembly is back.

The scope of the present utility model is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art: the utility model provides another technical solution of the design concept. The push rod and the front bracket move closer to each other to shorten, the upper and rear brackets slide down and move closer to the lower rear bracket. The support moves downwards, and now the front support is close to the lower rear support, and the whole vehicle is folded.

Description of drawings

Accompanying drawing 1 is the front view of the utility model (the cart frame is located under the expanded position);

Accompanying drawing 2 is the front view of the present utility model (the cart frame is in the process of converting from the unfolded position to the folded position);

Accompanying drawing 3 is the front view of the utility model (the cart frame is located in the folded position);

Accompanying drawing 4 is the three-dimensional view of the present utility model (the cart frame is positioned at the expanded position).

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Front bracket; 5. Lower push rod; 6. Push lever; 7. Upper rear bracket; 8. Lower rear bracket; 9. Seat frame; 10. Strut; 11. Positioning column; 12. Drive belt; 13. Lock hole; 14. Lock head; 15. Operating part.

Detailed ways

As shown in accompanying drawing 1-accompanying drawing 4, a kind of children's trolley, comprises the stroller frame 1 that has expanded position and folded position, is arranged on the front wheel assembly 2 of bottom front part of described stroller frame 1, sets The rear wheel assembly 3 and the seat mechanism (the seat mechanism is not shown) at the rear part of the bottom of the cart frame 1 .

The cart frame 1 includes side brackets on both sides, a connecting frame connected between the side brackets on both sides, and the connecting frame is connected between the side brackets on both sides a plurality of cross bars, and the seat mechanism is arranged between the side supports on both sides.

The side brackets on each side include

front bracket 4;

A lower push rod 5, the lower push rod 5 is arranged to slide with the upper part of the front bracket 4 along its length direction;

Push bar 6, the lower part of said push bar 6 is arranged to slide with said lower push bar 5 along its length direction;

Upper rear bracket 7, the upper end of the upper rear bracket 7 is rotationally connected with the upper part of the lower push rod 5;

The lower rear bracket 8, the upper rear bracket 7 is arranged to slide with the lower rear bracket 8 along its length direction;

Seat frame 9, the front end of the seat frame 9 is connected to the upper part of the front bracket 4 in a rotational manner, and the rear end of the seat frame 9 is rotationally connected to the lower part of the upper rear bracket 7 connect;

A strut 10 , the lower end of the strut 10 is rotatably connected with the seat frame 9 , and the upper end of the strut 10 is rotatably connected with the upper part of the lower rear bracket 8 .

The front bracket 4 has a front bracket lumen, and the lower part of the lower push rod 5 is slidably inserted into the front bracket lumen. The lower push rod 5 has a lower push rod lumen, and the lower part of the push handle rod 6 is slidably inserted into the lower push rod lumen.

The front wheel assembly 2 is arranged on the lower part of the front bracket 4 . The rear wheel assembly 3 is arranged at the lower part of the lower rear bracket 8 .

The locking mechanism is arranged between the lower push rod 5 , the push handle rod 6 and the front bracket 4 . As shown in accompanying drawing 1-accompanying drawing 3, described locking mechanism comprises the locking hole 13 that opens on described push handle rod 6, the lock head 14 that is slidably arranged on lower push rod 5, described locking The mechanism has a locking position and an unlocking position. When the locking mechanism is in the locking position, the lock head 14 is inserted into the lock hole 13. When the locking mechanism is in the unlocking position, the lock The head 14 breaks away from the lock hole 13 .

Not shown, the locking mechanism also includes an operating mechanism that controls the switching of the locking mechanism from a locked position to an unlocked position, and the operating mechanism includes an operating member 15 that is slidably arranged on the push handle rod 6 1. A traction cable whose one end is connected with the operation member 15 , and the other end of the traction cable is connected with the lock head 14 . Press the operating member 15, the lock head 14 can be controlled to break away from the lock hole 13 by the traction cable, the lock end 14 is a spring pin, when the operating member 15 is released, the lock end 14 has a tendency to pop into the keyhole 13. As shown in accompanying drawing 1-accompanying drawing 3, the locking mechanism on each side also includes the synchronous drive mechanism that makes described front support 4 and described push bar 6 approach synchronously or synchronously away from, and described synchronous drive The mechanism includes a positioning post 11 connected to the lower end of the lower push rod 5 through a rotating shaft, a long strip-shaped flexible drive belt 12 made of spring steel, and the drive belt bypasses the The rear ends of the positioning column 11 are respectively connected to the upper end of the front bracket 4 and the lower end of the push rod 6 .

The locking mechanism can also be in other ways, that is, the locking mechanism includes a first locking mechanism with a locked position and an unlocked position arranged between the push handle bar 6 and the lower push rod 5, and a first locking mechanism arranged between the lower push rod 5 and the front bracket 4. There is a second locking mechanism between a locking position and an unlocking position. The specific structure of the first locking mechanism and the second locking mechanism is not limited, as long as the structure that can lock the two parts that slide relatively can be in the This use is similar to the cooperative locking between the lock head 14 and the lock hole 13 mentioned above.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (7)

1. baby carriage, comprise the go-cart vehicle frame (1) with expanded position and folding position, the front component (2) that is arranged at described go-cart vehicle frame (1) front portion, the end, the wheel assembly (3) that is arranged at described go-cart vehicle frame (1) rear portion, the end, seat mechanism, described go-cart vehicle frame (1) is locked in lockout mechanism under the expanded position, link span between the described side stand that described go-cart vehicle frame (1) comprises the side stand that is positioned at described go-cart vehicle frame (1) both sides, be connected both sides, it is characterized in that: the described side stand of every side comprises

Front frame (4);

Lower push-rod (5), described lower push-rod (5) is provided with the top of described front frame (4) mutually slidably along its length direction;

Pulling handle rod (6), the bottom of described pulling handle rod (6) is provided with described lower push-rod (5) mutually slidably along its length direction;

Last after poppet (7), described upper end of going up after poppet (7) is connected rotatedly with the top of described lower push-rod (5);

Following after poppet (8), the described after poppet (7) of going up is provided with described after poppet (8) down mutually slidably along its length direction;

Seat frame (9), the leading section of described seat frame (9) is connected rotatedly with the top of described front frame (4), and the rearward end of described seat frame (9) is connected rotatedly with described bottom of going up after poppet (7);

Strut (10), the bottom of described strut (10) is connected rotatedly with described seat frame (9), and the upper end of described strut (10) is connected rotatedly with the described top of after poppet (8) down.

2. baby carriage according to claim 1 is characterized in that: described lockout mechanism is arranged between described lower push-rod (5), described pulling handle rod (6) and the described front frame (4).

3. baby carriage according to claim 1 is characterized in that: described front frame (4) has the front frame tube chamber, and the bottom of described lower push-rod (5) is inserted in the described front frame tube chamber slidably.

4. baby carriage according to claim 1 is characterized in that: described lower push-rod (5) has the lower push-rod tube chamber, and the bottom of described pulling handle rod (6) is inserted in the described lower push-rod tube chamber slidably.

5. baby carriage according to claim 1 is characterized in that: described link span is many cross bars that are connected between the described side stand of both sides.

6. baby carriage according to claim 1 is characterized in that: described front component (2) is arranged at the bottom of described front frame (4).

7. baby carriage according to claim 1 is characterized in that: described wheel assembly (3) is arranged at the described bottom of after poppet (8) down.

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